Question

Q how does the resistance of a wire vary with its area of cross section
and
Q How does the resistance of a wire vary with its cross section area

Answer 1

Resistance of a wire is inversely proportional to the area of cross section
Resistance = 1/area
This implies, the resistance of a wire decreases as area increases and vice versa.

Answer 2

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d) Resistance (R) of a wire is inversely proportional to its area of cross-section (A):

» R ∝1 / A

I hope, this will help you

Thank you____❤

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